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Step * of Lemma dma-neg-dM_inc

∀[I:fset(ℕ)]. ∀[x:names(I)].  (¬(<x>) = <1-x> ∈ Point(dM(I)))
BY
{ (InstLemma `neg-dM_inc` [] THEN RepeatFor 2 (ParallelLast') THEN NthHypEq (-1) THEN EqCD THEN Auto) }

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Latex:

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Latex:
\mforall{}[I:fset(\mBbbN{})].  \mforall{}[x:names(I)].    (\mneg{}(<x>)  =  ə-x>)


By

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Latex:
(InstLemma  `neg-dM\_inc`  []  THEN  RepeatFor  2  (ParallelLast')  THEN  NthHypEq  (-1)  THEN  EqCD  THEN  Auto)

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